Yup.
Haven't had my chronic bronchitis or even a cold since I started taking it. Also, a big ugly black thing growing on my shoulder.....went away. It had been there for decades.
I think Quercetin w/Zinc fixes lots of ailments, same with the other "remedies".
It's probably something the medicRATS don't want you to know about.
This has been in my covid prevention box along with D3, C, and others.
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